DQRID : D050205.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/30/2004210002/08/20052055Suspect
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Subject:
SGP/SIRS/E1 - broken cable on DSDH (aka DD) measurment instrument - Eppley 8-48.
DataStreams:sgpsirs20sE1.a0, sgpsirsE1.00, sgpsirsE1.b1
Description:
Occasionally, the downwelling shortwave diffuse hemispheric (DSDH) readings spike to 
unreasonably low levels, causing derived downwelling shortwave hemispheric (DSH) readings to 
spike well below the actual DSH readings.  Technicians repaired the DSDH instument (an 
Eppley 8-48) cable on 02/08/2005 2055GMT.  There have been no dropouts since that time.
Suggestions: 
Disregard minimum outliers for DSDH data.  No consistent minimum treshold is available.
Measurements:sgpsirsE1.b1:
  • down_short_diffuse_hemisp
  • down_short_diffuse_hemisp_max
  • down_short_diffuse_hemisp_std
  • down_short_diffuse_hemisp_min
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sgpsirs20sE1.a0:
  • inst_diffuse
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sgpsirsE1.00:
  • Raw data stream - documentation not supported
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